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LA GRANJA. Revista de Ciencias de la Vida
versión On-line ISSN 1390-8596versión impresa ISSN 1390-3799
Resumen
ESPADERO, Mónica et al. MICROBIOLOGICAL EVALUATION AND CHEMICAL COMPOSITION OF ORGANIC EXTRACTS FROM Euphorbia aff. viridis (Klotzsch & Garcke) Boiss ON Staphylococcus Aureus, Klebsiella Pneumoniae AND Escherichia Coli. La Granja [online]. 2019, vol.29, n.1, pp.119-129. ISSN 1390-8596. https://doi.org/10.17163/lgr.n29.2019.10.
Euphorbia aff. viridis (Klotzsch Garcke) Boiss. a plant species belonging to the Euphorbiaceae family, is one of the most diverse of the American continent, and is used in multiple treatments in ancestral medicine. In the present study, or- ganic compounds extracted from the leaves of the plant were analyzed. The description and taxonomic classification of the plant was established. For the phytochemical study, phenols, tannins, saponins, coumarins, lactones and flavonoids were analyzed, and positive results were observed for each chemical compound with the exception of alkaloid compounds. The chemical characterization by gas chromatography coupled to mass spectrometry GC-MS, showed 36,66 % lanosterol, 12,25% β-sitosterol, 5,11% 3 β cholest 4 en 3 ol, 4,73% hexadecanoic acid as major elements. The microbiological assay of ethanolic extracts showed a 44 % inhibition percentage on Klebsiella pneumoniae (ATCC70693) and 43 % on Escherichia coli (ATCC10536) with an MIC of 30µl/ml for each strain, and a negative inhibi- tion result was observed for Staphylococcus aureus (ATCC24213). The organic extracts of Euphorbia aff. viridis (Klotzsch Garcke) Boiss. presented antimicrobial activity being able to observe their potential use as antimicrobial agents.
Palabras clave : Antimicrobial; organic extract; GC-MS; Euphorbia aff. viridis (KlotzschGarcke) Boiss.